package <http://mimathon.askem.eu/uc1/trees>:
  dolfin_version "1"
  version "0.2.0"
  author "LESL (Lea, Eliott, Sattisvar & Louis), Dolfin & Askem"
  description "Canonical model for urban trees, MIMathon Porto 2026 use case 01. Generic Tree entity with optional heritage classification, ready for Smart Data Models contribution under dataModel.ParksAndGardens."

concept AgeRange:
  one of:
    Y21_30
    Y31_40
    Y41_50
    Y51_60
    Y61_70
    Y71_80
    Y81_100
    Over100
    Unknown

concept ClassificationKind:
  one of:
    IsolatedSpecimen
    TreeCluster

concept Authority:
  has name: one string
  has acronym: one string

concept Species:
  has scientificName: one string
  has commonName: optional string
  has taxonRef: optional string

concept LegalAct:
  has reference: one string
  has issuedOn: optional string

concept Classification:
  has kind: one ClassificationKind
  has specimenCount: optional int
  has authority: one Authority
  has legalAct: one LegalAct
  has classifiedOn: optional string

concept Location:
  has latitude: one float
  has longitude: one float

concept Tree:
  has localId: one string
  has species: one Species
  has ageRange: optional AgeRange
  has location: one Location
  has classification: optional Classification
  has refFlowerBed: optional string
  has refGarden: optional string